Question
In: Civil Engineering
A compaction test measures a maximum dry density of 1666 kg/m3 and an optimum water content...
A compaction test measures a maximum dry density of 1666 kg/m3
and an optimum water content of 18.0%. The soil has an estimated Gs
value of 2.68. A contract requires compaction to 95% of maximum dry
density at water content of optimum or greater. A field test
measures a moist density of 2023 kg/m3 and a water content of
27%.
a) Use the values given for measured moist density and water
content, calculate the field dry density
b) Does the compacted fill meet the contract
requirement?
c) Compute degree of saturation in the field.
d) What do the results tell you about the reliability of the
field data?
Solutions
Ally Wells answered 3 years agoRelated Solutions
Explain Compaction, Field compaction methods, Role of water content in compaction, Factors affecting compaction, the effect...
Explain Compaction, Field compaction methods, Role of water
content in compaction, Factors affecting compaction, the effect of
compaction on the soil properties. Make sure we have some
examples.
Explain Compaction, Field compaction methods, Role of water content in compaction, Factors affecting compaction, the effect...
Explain Compaction, Field compaction methods, Role of water
content in compaction, Factors affecting compaction, the effect of
compaction on the soil properties. Make sure we have some examples.
Please, I want it as soon as possible, give me some good examples
as well...
Laboratory compaction test results for a cohesive soil are given in the following table: Water Content...
Laboratory compaction test results for a cohesive soil are given in
the following table:
Water Content (%)
Dry Density (pcf)
12.0
116.2
13.6
117.6
14.8
117.9
16.1
116.5
17.2
113.6
Plot Diagram with labels and sample test
labels
Specifications call for a fill dry density of 114 pcf and
further require that the fill be compacted at optimum water content
for the field compactive effort. For the following field density
test results on a fill, explain how you alter...
Say the density of air is 1.23 kg/m3 and the density of helium is 0.164 kg/m3...
Say the density of air is 1.23 kg/m3 and the density of helium
is 0.164 kg/m3 when both are at STP. Let's model a balloon as a
sphere of radius 0.12 m, with mass 2 g.
1) What is the mass of the helium that would fill a single
balloon?
2) What is the buoyant force on a single balloon?
3) What is the net force on a single balloon?
4) If we attach 0.5 m of string (properties: 800...
A 1-mm diameter sphere (density=7900 kg/m3) is dropped into a tank of oil (density=900 kg/m3). The...
A 1-mm diameter sphere (density=7900 kg/m3) is
dropped into a tank of oil (density=900 kg/m3). The
sphere develops a terminal speed of 0.25 cm/s, what is the oil's
viscosity? You may assume a small Reynolds number. Show your
work.
An object with a density of 761.0 kg/m3 and a mass of 1399.0 kg is thrown...
An object with a density of 761.0 kg/m3 and a mass of
1399.0 kg is thrown into the ocean. Find the volume that sticks out
of the water. (use ?seawater = 1024
kg/m3)
1. A large open tank contains fresh water of constant density (p = 1000 kg/m3). a)...
1. A large open tank contains fresh water of constant density (p
= 1000 kg/m3).
a) Construct an algebraic expression for the absolute pressure
(P) at a specific depth below the surface of the water (y) in terms
of gravitational acceleration (g), the depth of water (y), and the
density of water (ρ).
A 8.9 kg rock whose density is 4500 kg/m3 is suspended by a string such that...
A 8.9 kg rock whose density is 4500 kg/m3 is suspended by a
string such that half of the rock's volume is under water. What is
the tension in the string?
3) A piece of metal with a mass of 3.8 kg and density of 1808 kg/m3...
3) A piece of metal with a mass of 3.8 kg and density of 1808
kg/m3 is suspended from a string and then completely immersed in a
container of water. The density of water is 1000 kg/m3 .
(a) Determine the volume of the piece of metal.
(b) Determine the tension in the string after the metal is immersed
in the container of water.
SHOW ALL WORK AND FORMULAS! THANKS!
A block of wood has a mass of 3.54 kg and a density of 588 kg/m3....
A block of wood has a mass of 3.54 kg and a density of 588
kg/m3. It is to be loaded with lead (1.13 × 104 kg/m3) so that it
will float in water with 0.887 of its volume submerged. What mass
of lead is needed if the lead is attached to (a) the top of the
wood and (b) the bottom of the wood?
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